161662346 has 8 divisors (see below), whose sum is σ = 243946080. Its totient is φ = 80346988.

The previous prime is 161662343. The next prime is 161662387. The reversal of 161662346 is 643266161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161662346² = 52269428228447432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161662343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241676 + ... + 242343.

It is an arithmetic number, because the mean of its divisors is an integer number (30493260).

Almost surely, 2^161662346 is an apocalyptic number.

161662346 is a deficient number, since it is larger than the sum of its proper divisors (82283734).

161662346 is a wasteful number, since it uses less digits than its factorization.

161662346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484188.

The product of its digits is 31104, while the sum is 35.

The square root of 161662346 is about 12714.6508406641. The cubic root of 161662346 is about 544.7571748822.

The spelling of 161662346 in words is "one hundred sixty-one million, six hundred sixty-two thousand, three hundred forty-six".